Abstract: An RFID tag 10 attachable to an article in use that includes an RFIC module including an RFIC chip and a helical coil connected to the RFIC chip, and an antenna member that is a threadlike conductor having a portion helically wound on the RFIC module around a winding axis extending parallel to an extending direction of a coil axis of the helical coil.

Abstract: An RFID tag reading method, RFID tag reading system, RFID tag reading device, and an article, are provided for preventing fraud on the RFID tag. An exemplary method for reading an RFID tag with a loop antenna housed within a case of an article, includes inserting a tip of a linear antenna into the case through a hole formed in the case by using a reader device with the linear antenna having the tip as an open end, magnetically coupling the linear antenna inserted into the case and the loop antenna of the RFID tag, and reading tag information stored in the RFID tag by the reader device.

Abstract: A wireless communication device for transmitting/receiving a high-frequency signal having a predetermined communication frequency. The wireless communication device includes an antenna pattern having an inductance component, an RFIC element connected electrically to the antenna pattern and a capacitive coupling portion capacitively coupling specific confronting regions facing each other of the antenna pattern at multiple points on the antenna pattern, to make up an LC parallel resonant circuit.

Abstract: An article is provided with a wireless communication device that is constructed to be attached to the article without using an adhesive. The article with the wireless communication device includes a wireless IC chip, a power feeding circuit board including a terminal electrode to which the wireless IC chip is connected, an article, and a conductive thread for attaching the power feeding circuit board to the article. The conductive thread contacts the terminal electrode and functions as a radiator while the power feeding circuit board is attached to the article.

Abstract: A highly reliable RFID tag is provided that is lighter and smaller and has a desired communication distance, and that can be applied to deformable articles. The RFID tag includes a first end of a first power feeding coil that is connected to a first input and output terminal of an RFIC element, a second end of the first power feeding coil that is connected to one end of a second power feeding coil, and the other end of the second power feeding coil is connected to a second input and output terminal of the RFIC element. Moreover, the RFID tag has a spring-shaped antenna that has a first region with magnetic field coupling of the first power feeding coil, and a second region with magnetic field coupling of the second power feeding coil. The first region and the second region are continuous via a region having an inductance component.

Abstract: An inductor bridge is provided with a flexible flat plate-shaped element body, a first connector, and a second connector. The element body includes therein an inductor portion. The inductor portion is configured by a spiral conductor pattern. The first connector is provided on the element body and is connected to a first circuit. The second connector is provided on the element body and is connected to a second circuit.

Abstract: An RFID tag manufacturing apparatus that includes an antenna base material conveying part that conveys an antenna base material with antenna patterns in a first direction. Moreover, the apparatus includes a conveying part for an RFIC element that supplies an RFIC element having terminal electrodes for connection with the antenna patterns on one principal surface. A plotter is further provided that conveys the supplied RFIC element to a predetermined position of the antenna patterns and temporarily bonds the RFIC element to the antenna patterns. Finally, the apparatus includes a pressurizing part that applies a pressure to the temporarily bonded RFIC element to permanently bond the RFIC element to the antenna patterns. In an aspect, the plotter includes a fixed arm portion and a movable suction head.

Abstract: An RFID tag is provided that includes a substrate, an RFIC element and a dipole antenna. The dipole antenna includes a first dipole element and a second dipole element. The first dipole element includes a first fold-back portion, and forms a capacitance between the first fold-back portion and a first facing portion. Furthermore, the first dipole element includes a first interposed portion that is interposed between a first open end and the second dipole element. Similarly, the second dipole element includes a second fold-back portion, and forms a capacitance between the second fold-back portion and a second facing portion. Furthermore, the second dipole element includes a second interposed portion that is interposed between a second open end and the first dipole element.

Abstract: A transmission line includes an insulator as a base member, a transmission conductor, and a ground layer. A connector is provided at a wiring substrate to fix the transmission line. The transmission line includes a signal columnar conductor having a solid columnar shape integrated with the transmission conductor, and ground columnar conductors having solid columnar shapes integrated with the ground layer. The connector has a through hole corresponding to the signal columnar conductor, and through holes corresponding to the ground columnar conductors. Conductive films are respectively provided on the inner peripheral surfaces of the through holes. The signal columnar conductor is inserted into the through hole, and the ground columnar conductors are respectively inserted into the through holes.

Abstract: A highly reliable RFID tag is provided that is lighter and smaller and has a desired communication distance, and that can be applied to deformable articles. The RFID tag includes a first end of a first power feeding coil that is connected to a first input and output terminal of an RFIC element, a second end of the first power feeding coil that is connected to one end of a second power feeding coil, and the other end of the second power feeding coil is connected to a second input and output terminal of the RFIC element. Moreover, the RFID tag has a spring-shaped antenna that has a first region with magnetic field coupling of the first power feeding coil, and a second region with magnetic field coupling of the second power feeding coil. The first region and the second region are continuous via a region having an inductance component.

Abstract: A plurality of surface mounting components are arranged on a component mounting surface of a transfer substrate. A resin layer is formed on the transfer substrate and the plurality of surface mounting components are buried in the resin layer. The resin layer is peeled off the transfer substrate, with the plurality of surface mounting components buried in the resin layer, to expose a surface resin layer. An intermediate auxiliary layer is provided on the exposed surface of the resin layer. The intermediate auxiliary layer has openings to expose respective mounting terminals of the surface mounting component. Metal materials are arranged in the openings. A wiring sheet which includes a thermoplastic resin sheet with an electrode pattern and a plurality of unmetallized via patterns is joined to the intermediate auxiliary layer so that each of the via patterns aligns with a respective one of the openings in the intermediate auxiliary layer.

Abstract: A reader device is provided having a wider readable area and a table with the reader device. The reader device includes an antenna element communicating with an RFID tag attached to an article, a reader module electrically connected to the antenna element and reading information of the RFID tag through the antenna element, and a case housing the antenna element and the reader module. Moreover, the antenna element includes a first dipole antenna having a first element axis extending in a first direction, and a second dipole antenna having a second element axis extending in a second direction crossing the first direction.

Abstract: A wireless IC device includes a resin member including first and second surfaces, a substrate including first and second principal surfaces, a coil antenna provided in the resin member, and an RFIC element mounted on the substrate and connected to the coil antenna. The substrate is embedded in the resin member so that the second principal surface is at a second surface side. The coil antenna is defined by first linear conductor patterns on the second surface, first metal posts extending between the first and second surfaces, second metal posts extending between the first and second surfaces, and second linear conductor patterns on the first surface. The RFIC element is disposed in the coil antenna.

Abstract: An RFID tag is provided that transmits and receives a communication signal. The RFID tag includes a base material, antenna patterns provided on the base material, an RFIC package that is a feeding circuit connected to the antenna patterns, and an ignition protection member provided on the base material or the antenna patterns. Moreover, the ignition protection member contains moisture, such that ignition and combustion can be prevented even in a situation where the RFID tag is subjected to high-frequency power for heating a food item while attached to the food item or the like.

Abstract: An information terminal apparatus includes a flat plate-shaped conductive housing including a first principal surface, a second principal surface, and a side surface that connects the principal surfaces, and a display provided on the first principal surface. The conductive housing includes a slit extending from the first principal surface to the second principal surface. Near the slit, a power feeding coil coupled to an IC element for an HF-band RFID system is disposed. The power feeding coil is magnetically coupled to the conductive housing via the slit. Thus, the conductive housing is utilized as a radiation element of the HF-band RFID system.

Abstract: A wireless communication device is provided that has an RFIC element including first and second terminal electrodes, a first radiation electrode connected to the first terminal electrode of the RFIC element, a second radiation electrode disposed in the same layer as the first radiation electrode independently of the first radiation electrode and connected to the second terminal electrode of the RFIC element, and a back surface electrode disposed oppositely to the second radiation electrode at a distant and connected to the second radiation electrode. Moreover, an area of a portion of the back surface electrode opposite to the first radiation electrode is smaller than an area of a portion of the back surface electrode opposite to the second radiation electrode.

Abstract: A UHF band RFID tag with stable communication characteristics when attached to a metal surface. The UHF band RFID tag includes a resin block having a first surface serving as an attaching surface to the metal surface and a second surface opposing the first surface, a substrate on a second surface side of the resin block, a RFIC element mounted on the substrate, and a loop electrode connected to the RFIC element. The loop electrode includes metal bodies provided in the resin block and extending in a direction intersecting the first and second surfaces, a flat plate electrode on a first surface side of the resin block and connecting first ends of the metal bodies, conductor patterns on the second surface side of the resin block and connecting the RFIC element and second ends of metal bodies.

Abstract: An RFID tag manufacturing method is provided that includes arranging a plurality of RFIC elements in a housing tool at a first arrangement density; and extracting an RFIC element group out of the plurality of RFIC elements arranged in the housing tool. Moreover, the extracted RFIC element group has a second arrangement density that is lower than the first arrangement density and that corresponds to an arrangement density of a plurality of antenna patterns arranged on an antenna substrate. The method includes disposing the RFIC element group onto the plurality of antenna patterns of the antenna substrate while maintaining the second arrangement density.

Abstract: A card-type wireless communication device is provided that suppresses a deterioration in communication performance of the dipole antenna while ensuring a larger coil antenna size in a limited card size. The card-type wireless communication device includes a coil antenna and a dipole antenna. The dipole antenna includes first dipole element including a first connection end connected to a second-frequency-band RFIC element, first linear part that extends from the first connection end along an outer edge of the coil antenna, and a first open end facing the outer edge of the coil antenna via the first linear part. Moreover, a second dipole element includes a second connection end connected to second-frequency-band RFIC element, and a second open end at a position farther from the outer edge of the coil antenna than a shortest distance between the first linear part and the outer edge of the coil antenna.

Abstract: A wireless communication device is provided that includes a flat plate-shaped conductor, an RFIC element including first and second input/output terminals, a loop antenna, and a connection conductor that connects the loop antenna to the flat plate-shaped conductor. The loop antenna includes a first conductor portion disposed along the flat plate-shaped conductor and connected to the first input/output terminal, a second conductor portion disposed along the flat plate-shaped conductor and connected to the second input/output terminal, a third conductor portion extending from the first conductor portion away from the flat plate-shaped conductor, a fourth conductor portion extending from the second conductor portion away from the flat plate-shaped conductor, and a fifth conductor portion connecting the third conductor portion and the fourth conductor portion. Moreover, the connection conductor connects the second conductor portion and the flat plate-shaped conductor.